boost与json

朱雀 2022-12-19 06:02 124阅读 0赞

#include <iostream>
    #include <boost/property_tree/ptree.hpp>
    #include <boost/property_tree/json_parser.hpp>
    #include <boost/foreach.hpp>
    #include <vector>
    
    using namespace boost::property_tree;
    using namespace std;
    
    
    bool CreateJson(wstring &wstr){
        
        wstringstream  wstream;
    
        try {
        
            wptree  pt;
            pt.put(L"name",L"jim");
    
            wptree info;
            info.put(L"weight",L"50");
    
    
            wptree phone,phone_item1,phone_item2;
            phone_item1.put(L"phone",L"123");
            phone_item2.put(L"phone",L"123");
    
            phone.push_back(make_pair(L"",phone_item1));
            phone.push_back(make_pair(L"",phone_item2));
    
            info.put_child(L"all_phone",phone);
    
            pt.push_back(make_pair(L"info",info));
    
            write_json(wstream,pt);
        } catch (ptree_error error) {
        
            error.what();
            return false;
        }
    
        wstr = wstream.str();
        return true;
    }
    
    bool ParseJson(wstring &wstr){
        
        try{
        
            wstringstream wstream(wstr);
            wptree pt;
            read_json(wstream,pt);
    
            wstring wstrName = pt.get<wstring>(L"name");
            wptree info = pt.get_child(L"info");
            wstring weight = info.get<wstring>(L"weight");
            int w=0;
            w=info.get<int>(L"weight");
            wptree phones = info.get_child(L"all_phone");
            vector<wstring>vcPhone;
            BOOST_FOREACH(wptree::value_type &v,phones)
                        {
        
                            vcPhone.push_back(v.second.get<wstring>(L"phone"));
                        }
    
    
           // wcout << w << "\n";
        } catch (ptree_error pt) {
        
            pt.what();
            return false;
        }
        return true;
    }
    
    int main() {
        
        wstring wstr;
        CreateJson(wstr);
        ParseJson(wstr);
    
        // wcout  << wstr.c_str() << "\n";
    
        return 0;
    }